EP3830974A4 - Verfahren, vorrichtungen und computersoftwareprodukte zur verarbeitung in einem mimo-system - Google Patents

Verfahren, vorrichtungen und computersoftwareprodukte zur verarbeitung in einem mimo-system Download PDF

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Publication number
EP3830974A4
EP3830974A4 EP18928565.3A EP18928565A EP3830974A4 EP 3830974 A4 EP3830974 A4 EP 3830974A4 EP 18928565 A EP18928565 A EP 18928565A EP 3830974 A4 EP3830974 A4 EP 3830974A4
Authority
EP
European Patent Office
Prior art keywords
apparatuses
methods
processing
computer software
mimo system
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP18928565.3A
Other languages
English (en)
French (fr)
Other versions
EP3830974A1 (de
Inventor
Jinping HAO
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nokia Technologies Oy
Original Assignee
Nokia Technologies Oy
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nokia Technologies Oy filed Critical Nokia Technologies Oy
Publication of EP3830974A1 publication Critical patent/EP3830974A1/de
Publication of EP3830974A4 publication Critical patent/EP3830974A4/de
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H04B7/0486—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking channel rank into account
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0632—Channel quality parameters, e.g. channel quality indicator [CQI]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0658—Feedback reduction
    • H04B7/066—Combined feedback for a number of channels, e.g. over several subcarriers like in orthogonal frequency division multiplexing [OFDM]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0452—Multi-user MIMO systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
EP18928565.3A 2018-08-02 2018-08-02 Verfahren, vorrichtungen und computersoftwareprodukte zur verarbeitung in einem mimo-system Pending EP3830974A4 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2018/098358 WO2020024225A1 (en) 2018-08-02 2018-08-02 Methods, apparatuses, and computer software products for processing in mimo system

Publications (2)

Publication Number Publication Date
EP3830974A1 EP3830974A1 (de) 2021-06-09
EP3830974A4 true EP3830974A4 (de) 2022-03-30

Family

ID=69231294

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18928565.3A Pending EP3830974A4 (de) 2018-08-02 2018-08-02 Verfahren, vorrichtungen und computersoftwareprodukte zur verarbeitung in einem mimo-system

Country Status (4)

Country Link
US (1) US11949479B2 (de)
EP (1) EP3830974A4 (de)
CN (1) CN112703683A (de)
WO (1) WO2020024225A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117081704B (zh) * 2023-08-09 2024-05-31 江南大学 一种启用环境反向散射通信的非正交多址接入传输方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150016379A1 (en) * 2012-02-23 2015-01-15 Electronics And Telecommunications Research Institute Multi-input and multi-output communication method in large-scale antenna system
US20160353424A1 (en) * 2015-05-28 2016-12-01 Futurewei Technologies, Inc. System and Method for Multi-Level Beamformed Non-Orthogonal Multiple Access Communications

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101325441A (zh) * 2007-06-11 2008-12-17 株式会社Ntt都科摩 基于码书的预编码***的调度方法及调度装置
US9432099B2 (en) * 2012-12-03 2016-08-30 Lg Electronics Inc. Method and apparatus for reporting channel state information in wireless communication system
KR102197717B1 (ko) * 2013-03-08 2020-12-31 한국전자통신연구원 대규모 안테나 시스템에서 다중 입력 다중 출력 통신 방법
US9973249B2 (en) * 2014-12-23 2018-05-15 Samsung Electronics Co., Ltd. Channel state information feedback schemes for FD-MIMO
JPWO2016199768A1 (ja) * 2015-06-12 2018-05-24 株式会社Ｎｔｔドコモ ユーザ端末、無線基地局及び無線通信方法
CN106330271B (zh) * 2015-06-19 2019-11-26 ***通信集团公司 多天线多用户非正交发送方法、基站、盲检测方法、终端
CN106374985B (zh) * 2015-07-20 2020-02-28 电信科学技术研究院 一种多用户数据的发送接收方法及装置
CN108141428B (zh) * 2015-10-02 2021-04-09 株式会社Ntt都科摩 无线基站、用户终端以及无线通信方法
CN107154814B (zh) * 2016-03-04 2020-07-14 王晋良 联合用户分组与预编码的方法以及使用所述方法的基站
US20170264346A1 (en) * 2016-03-09 2017-09-14 Futurewei Technologies, Inc. System and Method for Communicating in a Wireless Communications System with Precoding
WO2017161590A1 (en) 2016-03-25 2017-09-28 Qualcomm Incorporated Enhanced hybrid csi-rs for fd-mimo
US10694531B2 (en) * 2016-05-13 2020-06-23 Qualcomm Incorporated Grouping user equipment based on precoding matrix indicators for combined transmission
EP3276846B1 (de) * 2016-07-25 2021-01-06 Alcatel Lucent Mehrfach-antennen-mehrbenutzer-downlink-übertragung
CN107888242A (zh) * 2016-09-30 2018-04-06 索尼公司 无线通信方法和无线通信装置
CN108111205A (zh) * 2016-11-25 2018-06-01 中国电信股份有限公司 消除大规模mimo***中分组用户间干扰的方法和装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150016379A1 (en) * 2012-02-23 2015-01-15 Electronics And Telecommunications Research Institute Multi-input and multi-output communication method in large-scale antenna system
US20160353424A1 (en) * 2015-05-28 2016-12-01 Futurewei Technologies, Inc. System and Method for Multi-Level Beamformed Non-Orthogonal Multiple Access Communications

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2020024225A1 *

Also Published As

Publication number Publication date
US11949479B2 (en) 2024-04-02
CN112703683A (zh) 2021-04-23
WO2020024225A1 (en) 2020-02-06
US20210175951A1 (en) 2021-06-10
EP3830974A1 (de) 2021-06-09

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